A Contribution to the Study of New Zealand Diatoms PDF Download
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Author: Vivienne Cassie Cooper
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 276
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Book Description
Author: Vivienne Cassie Cooper
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 276
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Book Description
Author: Herman van Dam
Publisher: Springer Science & Business Media
ISBN: 9401736227
Category : Science
Languages : en
Pages : 530
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Book Description
The Twelfth International Diatom Symposium stressed how diatoms can be used to assess the human impact on natural waters, without neglecting other important fields of research. As the frustules of many diatom species are relatively resistant to dissolution they are preserved in freshwater and marine sediments and provide a record of past environments on earth. In past decades they have been successfully used to reconstruct changes in water bodies evoked by changes in salinity, acidification and eutrophication. In the last few years diatom-inferred predictions of environmental variables have become much more quantitative. In the most recent research reports the strong separation between palaeolimnological and neolimnological diatom research is fading, as palaeolimnologists are increasingly using modern calibration sets to infer past states of the environment. This quantitative approach is also very suitable for prediction of future changes in the biota of surface waters. Also ecological changes due to climatic modification have been investigated more thoroughly recently. A very important new research topic is the occurrence of toxic diatoms, particularly along the coasts of North America. These proceedings are intended to be a balanced view of such modern developments in diatom research. They should also be of interest to non-specialists in diatoms, who can use the results of diatom research as a tool in a more general taxonomic, ecological and geological context.
Author: Malte C. Ebach
Publisher: CRC Press
ISBN: 1315355779
Category : Nature
Languages : en
Pages : 1009
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Book Description
The Handbook of Australasian Biogeography is the most comprehensive overview of the biogeography of Australasian plants, fungi and animal taxa in a single volume. This volume is unique in its coverage of marine, freshwater, terrestrial, and subterranean taxa. It is an essential publication for anyone studying or researching Australasian biogeography. The book contains biogeographic reviews of all major plant, animal and fungal groups in Australasia by experts in the field, including a strong emphasis on invertebrates, algae, fungi and subterranean taxa. It discusses how Australasia is different from the rest of the world and what other areas share its history and biota.
Author:
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 408
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Book Description
Author: John P. Smol
Publisher: Cambridge University Press
ISBN: 1139492624
Category : Science
Languages : en
Pages : 687
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Book Description
This much revised and expanded edition provides a valuable and detailed summary of the many uses of diatoms in a wide range of applications in the environmental and earth sciences. Particular emphasis is placed on the use of diatoms in analysing ecological problems related to climate change, acidification, eutrophication, and other pollution issues. The chapters are divided into sections for easy reference, with separate sections covering indicators in different aquatic environments. A final section explores diatom use in other fields of study such as forensics, oil and gas exploration, nanotechnology, and archaeology. Sixteen new chapters have been added since the first edition, including introductory chapters on diatom biology and the numerical approaches used by diatomists. The extensive glossary has also been expanded and now includes over 1,000 detailed entries, which will help non-specialists to use the book effectively.
Author: Vivienne Cassie Cooper
Publisher: Vivienne Cooper
ISBN: 0473225727
Category : Algologists
Languages : en
Pages : 125
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Book Description
Author: W. Foissner
Publisher: Springer Science & Business Media
ISBN: 9048128013
Category : Science
Languages : en
Pages : 213
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Book Description
Conservation and biodiversity of protists The conservation of biodiversity is not just an issue of plants and vertebrates. It is the scarcely visible invertebrates and myriads of other microscopic organisms that are crucial to the maintenance of ecological processes on which all larger organisms and the composition of the atmosphere ultimately depend. Biodiversity and Conservation endeavours to take an holistic view of biodiversity, and when the opportunity arises to issue collections of papers dealing with too-often neglected groups of organisms. The protists, essentially eukaryotes that cannot be classi?ed in the kingdoms of animals, fungi, or plants, include some of the lea- known groups of organisms on earth. They are generally treated as a separate kingdom, commonly named Protista (or Protoctista) in textbooks, but in reality they are a mixture of organisms with disparate a?nities. Some authors have hypothesized that the numbers of protists are not especially large, and that many have extraordinarily wide distributions. However, the p- ture that unfolds from the latest studies discussed in this issue is di?erent. There are many species with wide ranges, and proportionately more cosmopolitan species than in macroorganism groups, as a result of their long evolutionary histories, but there are also de?nite patterns and geographical restrictions to be found. Further, some protists are linked to host organisms as mutualists or parasites and necessarily con?ned to the distributions of their hosts.
Author: Orlando Necchi JR
Publisher: Springer
ISBN: 3319319841
Category : Technology & Engineering
Languages : en
Pages : 287
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Book Description
The content is focused on benthic communities showing how they play an in important role in the river ecosystems. Provides also information on taxonomy of river-inhabiting algal groups, including phylogeny, distribution, collection, preservation and description of the most representative genera of algae in river benthic algal communities. The book also approaches the ecology of river algae not to mention the ecological factors influencing abundance, distribution and diversity of river benthic algal communities and their use as bio-indicators, providing an up-to-date information on taxonomy, ecology, methodology and uses, and a great source of research to everyone interested in freshwater algae, limnology, water quality assessment and biodiversity in river ecosystems.
Author: Robert Cecil Cooper
Publisher:
ISBN:
Category : Gardening
Languages : en
Pages : 270
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Book Description
In addition to its value as a national resource, the native flora of New Zealand is among the most ancient in the world. Here, two experts draw on their unique knowledge of traditional Maori usage, scientific research, and economic developments in an eye-opening account of past, present, and possible future uses of New Zealand plants. The authors review the materials and products which can be obtained from plants along with their use in landscaping and conservation. Many of the applications they examine are in chemistry (dyestuffs, tannins, resin acids, alkaloids) and horticulture (plants for gardens and conservatories); others concern the extraction or manufacture of medicinal products, food and beverages, fibers, essential oils, and perfumes. Plants may check erosion or slow run-off, grasses can be used for pasture or turf, and microalgae are important oxygenators of sewage ponds. Lichens fix atmospheric nitrogen, vital to the well-being of forests, themselves a source of timber. Informing their account throughout is the authors' belief that the genetic resource of New Zealand's native flora should be tended and maintained, in stark contrast to the traditional European approach of exploitation and replacement with introduced species. Plants are listed with common, scientific, and Maori names, and there is a comprehensive index of chemical terms. The book is illustrated with photographs both of paintings and actual specimens. Broad in its appeal, New Zealand's Economic Native Plants will interest teachers and students of botany, ecology, chemistry, biology, and Maori studies, as well as horticulturalists, historians, environmentalists and chemists.
Author: Friedrich Recknagel
Publisher: Springer Science & Business Media
ISBN: 3662051508
Category : Science
Languages : en
Pages : 410
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Book Description
Ecological Informatics is defined as the design and application of computational techniques for ecological analysis, synthesis, forecasting and management. The book provides an introduction to the scope, concepts and techniques of this newly emerging discipline. It illustrates numerous applications of Ecological Informatics for stream systems, river systems, freshwater lakes and marine systems as well as image recognition at micro and macro scale. Case studies focus on applications of artificial neural networks, genetic algorithms, fuzzy logic and adaptive agents to current ecological management issues such as toxic algal blooms, eutrophication, habitat degradation, conservation of biodiversity and sustainable fishery.
